Codi mhac o'r Dyffryn
By: gan Idwal Jones.
Series: Darlithiau blynyddol / Gwynedd Library Service. Penygroes Library -- 1976-77; Darlithiau blynyddol (Gwynedd Library Service. Penygroes Library) -- 1976-77.
Publisher: Cyngor Sir Gwynedd Gwasanaeth Llyfrgell
Published: 1977
Place of publication: Caernarfon ((Arfon-Dwyfor Library H.Q., Maesincla, Caernarfon, Gwynedd LL55 1LH))
Language: wel
Number of pages: 23
Subjects: Nantlle Valley, Gwynedd -- Social life and customs.
Notes: Bibliography, p.23.